/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_02-idx_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 15:08:03,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 15:08:03,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 15:08:03,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-15 15:08:03,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 15:08:03,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 15:08:03,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 15:08:03,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 15:08:03,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 15:08:03,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 15:08:03,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 15:08:03,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 15:08:03,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 15:08:03,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 15:08:03,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 15:08:03,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 15:08:03,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-15 15:08:03,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 15:08:03,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 15:08:03,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 15:08:03,201 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-15 15:08:03,223 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 15:08:03,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 15:08:03,223 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 15:08:03,223 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 15:08:03,224 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 15:08:03,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 15:08:03,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 15:08:03,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 15:08:03,225 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 15:08:03,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 15:08:03,226 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 15:08:03,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 15:08:03,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 15:08:03,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 15:08:03,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 15:08:03,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 15:08:03,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 15:08:03,226 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 15:08:03,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 15:08:03,226 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 15:08:03,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 15:08:03,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 15:08:03,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 15:08:03,227 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 15:08:03,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 15:08:03,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:08:03,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 15:08:03,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 15:08:03,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 15:08:03,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 15:08:03,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 15:08:03,228 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 15:08:03,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 15:08:03,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 15:08:03,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 15:08:03,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 15:08:03,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 15:08:03,417 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 15:08:03,417 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 15:08:03,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_02-idx_nr.i [2022-03-15 15:08:03,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5641da444/2fda21b8ba164493b0001a00b136c777/FLAGad46869f3 [2022-03-15 15:08:03,906 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 15:08:03,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_02-idx_nr.i [2022-03-15 15:08:03,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5641da444/2fda21b8ba164493b0001a00b136c777/FLAGad46869f3 [2022-03-15 15:08:04,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5641da444/2fda21b8ba164493b0001a00b136c777 [2022-03-15 15:08:04,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 15:08:04,279 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 15:08:04,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 15:08:04,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 15:08:04,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 15:08:04,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:08:04" (1/1) ... [2022-03-15 15:08:04,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c09eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:04, skipping insertion in model container [2022-03-15 15:08:04,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:08:04" (1/1) ... [2022-03-15 15:08:04,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 15:08:04,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 15:08:04,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:08:04,609 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 15:08:04,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:08:04,667 INFO L208 MainTranslator]: Completed translation [2022-03-15 15:08:04,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:04 WrapperNode [2022-03-15 15:08:04,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 15:08:04,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 15:08:04,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 15:08:04,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 15:08:04,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:04" (1/1) ... [2022-03-15 15:08:04,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:04" (1/1) ... [2022-03-15 15:08:04,709 INFO L137 Inliner]: procedures = 161, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-03-15 15:08:04,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 15:08:04,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 15:08:04,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 15:08:04,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 15:08:04,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:04" (1/1) ... [2022-03-15 15:08:04,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:04" (1/1) ... [2022-03-15 15:08:04,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:04" (1/1) ... [2022-03-15 15:08:04,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:04" (1/1) ... [2022-03-15 15:08:04,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:04" (1/1) ... [2022-03-15 15:08:04,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:04" (1/1) ... [2022-03-15 15:08:04,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:04" (1/1) ... [2022-03-15 15:08:04,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 15:08:04,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 15:08:04,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 15:08:04,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 15:08:04,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:04" (1/1) ... [2022-03-15 15:08:04,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:08:04,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:04,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 15:08:04,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 15:08:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 15:08:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 15:08:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 15:08:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 15:08:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 15:08:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 15:08:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 15:08:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 15:08:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 15:08:04,846 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 15:08:04,962 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 15:08:04,963 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 15:08:05,122 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 15:08:05,127 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 15:08:05,127 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-15 15:08:05,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:08:05 BoogieIcfgContainer [2022-03-15 15:08:05,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 15:08:05,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 15:08:05,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 15:08:05,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 15:08:05,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 03:08:04" (1/3) ... [2022-03-15 15:08:05,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5790f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:08:05, skipping insertion in model container [2022-03-15 15:08:05,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:04" (2/3) ... [2022-03-15 15:08:05,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5790f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:08:05, skipping insertion in model container [2022-03-15 15:08:05,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:08:05" (3/3) ... [2022-03-15 15:08:05,138 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_02-idx_nr.i [2022-03-15 15:08:05,141 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 15:08:05,142 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 15:08:05,142 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-15 15:08:05,142 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 15:08:05,174 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,175 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,175 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,175 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,176 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,176 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,176 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,188 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,188 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:05,189 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 15:08:05,227 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 15:08:05,232 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 15:08:05,232 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-15 15:08:05,242 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67 places, 65 transitions, 135 flow [2022-03-15 15:08:05,289 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 377 states, 369 states have (on average 1.8753387533875339) internal successors, (692), 376 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:05,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 377 states, 369 states have (on average 1.8753387533875339) internal successors, (692), 376 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:05,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-03-15 15:08:05,301 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:05,302 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:05,302 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:08:05,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:05,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1537084983, now seen corresponding path program 1 times [2022-03-15 15:08:05,311 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:05,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333582956] [2022-03-15 15:08:05,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:05,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:05,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:05,474 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:05,474 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333582956] [2022-03-15 15:08:05,475 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333582956] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:05,475 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:05,476 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:08:05,477 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104713604] [2022-03-15 15:08:05,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:05,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-15 15:08:05,481 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:05,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-15 15:08:05,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 15:08:05,509 INFO L87 Difference]: Start difference. First operand has 377 states, 369 states have (on average 1.8753387533875339) internal successors, (692), 376 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:05,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:05,538 INFO L93 Difference]: Finished difference Result 377 states and 691 transitions. [2022-03-15 15:08:05,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-15 15:08:05,543 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-03-15 15:08:05,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:05,552 INFO L225 Difference]: With dead ends: 377 [2022-03-15 15:08:05,552 INFO L226 Difference]: Without dead ends: 377 [2022-03-15 15:08:05,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 15:08:05,558 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:05,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:05,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-03-15 15:08:05,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2022-03-15 15:08:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 369 states have (on average 1.872628726287263) internal successors, (691), 376 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:05,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 691 transitions. [2022-03-15 15:08:05,610 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 691 transitions. Word has length 24 [2022-03-15 15:08:05,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:05,611 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 691 transitions. [2022-03-15 15:08:05,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:05,611 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 691 transitions. [2022-03-15 15:08:05,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-03-15 15:08:05,613 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:05,613 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:05,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 15:08:05,613 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:08:05,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:05,614 INFO L85 PathProgramCache]: Analyzing trace with hash 960930954, now seen corresponding path program 1 times [2022-03-15 15:08:05,614 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:05,614 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60402711] [2022-03-15 15:08:05,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:05,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:05,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:05,671 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:05,671 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60402711] [2022-03-15 15:08:05,671 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60402711] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:05,671 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:05,671 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 15:08:05,671 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174745993] [2022-03-15 15:08:05,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:05,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:08:05,672 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:05,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:08:05,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:08:05,673 INFO L87 Difference]: Start difference. First operand 377 states and 691 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:05,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:05,716 INFO L93 Difference]: Finished difference Result 381 states and 695 transitions. [2022-03-15 15:08:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:08:05,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-03-15 15:08:05,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:05,719 INFO L225 Difference]: With dead ends: 381 [2022-03-15 15:08:05,719 INFO L226 Difference]: Without dead ends: 381 [2022-03-15 15:08:05,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:08:05,720 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 3 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:05,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 114 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:05,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2022-03-15 15:08:05,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 378. [2022-03-15 15:08:05,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 370 states have (on average 1.8702702702702703) internal successors, (692), 377 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:05,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 692 transitions. [2022-03-15 15:08:05,745 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 692 transitions. Word has length 24 [2022-03-15 15:08:05,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:05,745 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 692 transitions. [2022-03-15 15:08:05,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:05,746 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 692 transitions. [2022-03-15 15:08:05,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-03-15 15:08:05,746 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:05,746 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:05,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 15:08:05,747 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:08:05,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:05,747 INFO L85 PathProgramCache]: Analyzing trace with hash -2006067409, now seen corresponding path program 1 times [2022-03-15 15:08:05,747 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:05,748 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072934247] [2022-03-15 15:08:05,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:05,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:05,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:05,821 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:05,821 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072934247] [2022-03-15 15:08:05,821 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072934247] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:05,821 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561636532] [2022-03-15 15:08:05,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:05,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:05,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:05,825 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:08:05,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 15:08:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:05,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-15 15:08:05,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:05,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 15:08:05,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:05,969 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561636532] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:05,969 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:05,969 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-15 15:08:05,970 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440776285] [2022-03-15 15:08:05,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:05,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:08:05,970 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:05,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:08:05,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:05,971 INFO L87 Difference]: Start difference. First operand 378 states and 692 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:05,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:05,993 INFO L93 Difference]: Finished difference Result 458 states and 842 transitions. [2022-03-15 15:08:05,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:08:05,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-03-15 15:08:05,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:05,998 INFO L225 Difference]: With dead ends: 458 [2022-03-15 15:08:05,998 INFO L226 Difference]: Without dead ends: 458 [2022-03-15 15:08:05,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:05,999 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 33 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:06,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 133 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:06,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2022-03-15 15:08:06,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 378. [2022-03-15 15:08:06,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 371 states have (on average 1.8598382749326146) internal successors, (690), 377 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:06,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 690 transitions. [2022-03-15 15:08:06,012 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 690 transitions. Word has length 29 [2022-03-15 15:08:06,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:06,012 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 690 transitions. [2022-03-15 15:08:06,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:06,012 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 690 transitions. [2022-03-15 15:08:06,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-03-15 15:08:06,013 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:06,013 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:06,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-03-15 15:08:06,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:06,231 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:08:06,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:06,231 INFO L85 PathProgramCache]: Analyzing trace with hash -272035997, now seen corresponding path program 1 times [2022-03-15 15:08:06,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:06,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182925258] [2022-03-15 15:08:06,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:06,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:06,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:06,273 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:06,274 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182925258] [2022-03-15 15:08:06,274 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182925258] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:06,274 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407005495] [2022-03-15 15:08:06,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:06,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:06,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:06,275 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:08:06,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 15:08:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:06,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-15 15:08:06,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:06,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 15:08:06,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:06,404 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407005495] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:06,404 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:06,404 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-15 15:08:06,404 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364224452] [2022-03-15 15:08:06,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:06,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:08:06,405 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:06,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:08:06,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:06,406 INFO L87 Difference]: Start difference. First operand 378 states and 690 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:06,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:06,430 INFO L93 Difference]: Finished difference Result 401 states and 723 transitions. [2022-03-15 15:08:06,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:08:06,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-03-15 15:08:06,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:06,432 INFO L225 Difference]: With dead ends: 401 [2022-03-15 15:08:06,432 INFO L226 Difference]: Without dead ends: 301 [2022-03-15 15:08:06,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:06,433 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 22 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:06,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 126 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:06,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-03-15 15:08:06,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 287. [2022-03-15 15:08:06,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 281 states have (on average 1.7686832740213523) internal successors, (497), 286 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:06,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 497 transitions. [2022-03-15 15:08:06,440 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 497 transitions. Word has length 34 [2022-03-15 15:08:06,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:06,441 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 497 transitions. [2022-03-15 15:08:06,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:06,441 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 497 transitions. [2022-03-15 15:08:06,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-03-15 15:08:06,442 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:06,442 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:06,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 15:08:06,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-03-15 15:08:06,663 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:08:06,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:06,663 INFO L85 PathProgramCache]: Analyzing trace with hash 438956630, now seen corresponding path program 1 times [2022-03-15 15:08:06,663 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:06,664 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623114151] [2022-03-15 15:08:06,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:06,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:06,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:06,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623114151] [2022-03-15 15:08:06,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623114151] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:06,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318454776] [2022-03-15 15:08:06,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:06,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:06,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:06,702 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:08:06,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 15:08:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:06,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-15 15:08:06,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 15:08:06,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:06,812 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318454776] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:06,812 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:06,812 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-15 15:08:06,812 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006856749] [2022-03-15 15:08:06,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:06,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:08:06,813 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:06,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:08:06,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:06,813 INFO L87 Difference]: Start difference. First operand 287 states and 497 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:06,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:06,834 INFO L93 Difference]: Finished difference Result 289 states and 490 transitions. [2022-03-15 15:08:06,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:08:06,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-03-15 15:08:06,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:06,836 INFO L225 Difference]: With dead ends: 289 [2022-03-15 15:08:06,836 INFO L226 Difference]: Without dead ends: 223 [2022-03-15 15:08:06,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:06,837 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 17 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:06,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 119 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:06,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-03-15 15:08:06,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2022-03-15 15:08:06,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 219 states have (on average 1.6164383561643836) internal successors, (354), 222 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:06,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 354 transitions. [2022-03-15 15:08:06,842 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 354 transitions. Word has length 35 [2022-03-15 15:08:06,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:06,842 INFO L470 AbstractCegarLoop]: Abstraction has 223 states and 354 transitions. [2022-03-15 15:08:06,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:06,842 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 354 transitions. [2022-03-15 15:08:06,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-15 15:08:06,843 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:06,843 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:06,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-15 15:08:07,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:07,069 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:08:07,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:07,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1233691196, now seen corresponding path program 1 times [2022-03-15 15:08:07,070 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:07,070 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741998279] [2022-03-15 15:08:07,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:07,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:07,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:07,141 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:07,141 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741998279] [2022-03-15 15:08:07,141 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741998279] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:07,141 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349026572] [2022-03-15 15:08:07,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:07,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:07,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:07,162 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:08:07,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-15 15:08:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:07,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-15 15:08:07,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:07,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:07,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 15:08:07,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:07,400 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349026572] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 15:08:07,400 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 15:08:07,400 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-15 15:08:07,400 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52031389] [2022-03-15 15:08:07,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 15:08:07,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:07,401 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:07,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:07,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:08:07,401 INFO L87 Difference]: Start difference. First operand 223 states and 354 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:07,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:07,461 INFO L93 Difference]: Finished difference Result 233 states and 364 transitions. [2022-03-15 15:08:07,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 15:08:07,462 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-03-15 15:08:07,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:07,463 INFO L225 Difference]: With dead ends: 233 [2022-03-15 15:08:07,463 INFO L226 Difference]: Without dead ends: 233 [2022-03-15 15:08:07,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-15 15:08:07,464 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 11 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:07,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 390 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:07,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-03-15 15:08:07,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2022-03-15 15:08:07,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 229 states have (on average 1.5895196506550218) internal successors, (364), 232 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:07,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 364 transitions. [2022-03-15 15:08:07,469 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 364 transitions. Word has length 39 [2022-03-15 15:08:07,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:07,469 INFO L470 AbstractCegarLoop]: Abstraction has 233 states and 364 transitions. [2022-03-15 15:08:07,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:07,469 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 364 transitions. [2022-03-15 15:08:07,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-03-15 15:08:07,470 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:07,470 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:07,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-15 15:08:07,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:07,687 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:08:07,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:07,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1761237668, now seen corresponding path program 2 times [2022-03-15 15:08:07,687 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:07,687 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662833966] [2022-03-15 15:08:07,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:07,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:07,751 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-15 15:08:07,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:07,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662833966] [2022-03-15 15:08:07,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662833966] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:07,751 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:07,751 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 15:08:07,753 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43828463] [2022-03-15 15:08:07,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:07,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:08:07,755 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:07,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:08:07,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:08:07,756 INFO L87 Difference]: Start difference. First operand 233 states and 364 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:07,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:07,763 INFO L93 Difference]: Finished difference Result 80 states and 106 transitions. [2022-03-15 15:08:07,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:08:07,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-03-15 15:08:07,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:07,763 INFO L225 Difference]: With dead ends: 80 [2022-03-15 15:08:07,763 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 15:08:07,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:08:07,766 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 14 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:07,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 68 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:07,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 15:08:07,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 15:08:07,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:07,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 15:08:07,768 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2022-03-15 15:08:07,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:07,768 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 15:08:07,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:07,768 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 15:08:07,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 15:08:07,770 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-15 15:08:07,770 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-15 15:08:07,770 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-15 15:08:07,770 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-03-15 15:08:07,771 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-15 15:08:07,771 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-15 15:08:07,773 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-15 15:08:07,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 15:08:07,775 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2022-03-15 15:08:07,778 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 15:08:07,778 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 15:08:07,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 03:08:07 BasicIcfg [2022-03-15 15:08:07,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 15:08:07,780 INFO L158 Benchmark]: Toolchain (without parser) took 3501.08ms. Allocated memory was 220.2MB in the beginning and 310.4MB in the end (delta: 90.2MB). Free memory was 191.9MB in the beginning and 263.6MB in the end (delta: -71.7MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2022-03-15 15:08:07,780 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 220.2MB. Free memory is still 180.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 15:08:07,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.68ms. Allocated memory is still 220.2MB. Free memory was 191.7MB in the beginning and 182.4MB in the end (delta: 9.4MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-03-15 15:08:07,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.10ms. Allocated memory is still 220.2MB. Free memory was 182.4MB in the beginning and 180.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 15:08:07,781 INFO L158 Benchmark]: Boogie Preprocessor took 29.99ms. Allocated memory is still 220.2MB. Free memory was 180.4MB in the beginning and 179.1MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 15:08:07,781 INFO L158 Benchmark]: RCFGBuilder took 387.22ms. Allocated memory is still 220.2MB. Free memory was 179.1MB in the beginning and 168.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-15 15:08:07,782 INFO L158 Benchmark]: TraceAbstraction took 2650.33ms. Allocated memory was 220.2MB in the beginning and 310.4MB in the end (delta: 90.2MB). Free memory was 167.6MB in the beginning and 263.6MB in the end (delta: -96.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 15:08:07,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 220.2MB. Free memory is still 180.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 387.68ms. Allocated memory is still 220.2MB. Free memory was 191.7MB in the beginning and 182.4MB in the end (delta: 9.4MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.10ms. Allocated memory is still 220.2MB. Free memory was 182.4MB in the beginning and 180.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.99ms. Allocated memory is still 220.2MB. Free memory was 180.4MB in the beginning and 179.1MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 387.22ms. Allocated memory is still 220.2MB. Free memory was 179.1MB in the beginning and 168.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 2650.33ms. Allocated memory was 220.2MB in the beginning and 310.4MB in the end (delta: 90.2MB). Free memory was 167.6MB in the beginning and 263.6MB in the end (delta: -96.1MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 83 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 100 mSDsluCounter, 1012 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 564 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 458 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=378occurred in iteration=2, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 97 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 371 NumberOfCodeBlocks, 371 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 510 SizeOfPredicates, 2 NumberOfNonLiveVariables, 370 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 21/27 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 15:08:07,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...